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Message-Id: <1452879694-21206-4-git-send-email-peter.senna@collabora.com>
Date: Fri, 15 Jan 2016 18:41:30 +0100
From: Peter Senna Tschudin <peter.senna@...labora.com>
To: thomas@...ischhofer.net, gregkh@...uxfoundation.org,
linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
joe@...ches.com, sergei.shtylyov@...entembedded.com
Cc: Peter Senna Tschudin <peter.senna@...il.com>,
Peter Senna Tschudin <peter.senna@...labora.com>
Subject: [PATCH V2 3/7] usb-misc: sisusbvga: Fix coding style: braces, parenthesis, comment
From: Peter Senna Tschudin <peter.senna@...il.com>
The file drivers/usb/misc/sisusbvga/sisusb.c contained coding style
issues reported by checkpatch. This patch fixes the following
errors:
- 12 WARNING: braces {} are not necessary for single statement blocks
- 04 ERROR: return is not a function, parentheses are not required
- 03 ERROR: do not initialise statics to 0
- 1 WARNING: else is not generally useful after a break or return
- 1 WARNING: braces {} are not necessary for any arm of this statement
- 1 WARNING: Block comments use * on subsequent lines
One case in which braces are not necessary is left unchanged as other
patch of the series will fix it.
Signed-off-by: Peter Senna Tschudin <peter.senna@...labora.com>
---
No changes from V1.
Tested by compilation only.
drivers/usb/misc/sisusbvga/sisusb.c | 88 +++++++++++++++++--------------------
1 file changed, 41 insertions(+), 47 deletions(-)
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index ea0e1ad..26925f7 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -61,8 +61,8 @@
/* Forward declarations / clean-up routines */
#ifdef INCL_SISUSB_CON
-static int sisusb_first_vc = 0;
-static int sisusb_last_vc = 0;
+static int sisusb_first_vc;
+static int sisusb_last_vc;
module_param_named(first, sisusb_first_vc, int, 0);
module_param_named(last, sisusb_last_vc, int, 0);
MODULE_PARM_DESC(first, "Number of first console to take over (1 - MAX_NR_CONSOLES)");
@@ -762,7 +762,7 @@ static int sisusb_write_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
{
struct sisusb_packet packet;
int ret = 0;
- static int msgcount = 0;
+ static int msgcount;
u8 swap8, fromkern = kernbuffer ? 1 : 0;
u16 swap16;
u32 swap32, flag = (length >> 28) & 1;
@@ -1129,12 +1129,10 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
if (!ret) {
(*bytes_read)++;
if (userbuffer) {
- if (put_user(buf[0], (u8 __user *)userbuffer)) {
+ if (put_user(buf[0], (u8 __user *)userbuffer))
return -EFAULT;
- }
- } else {
+ } else
kernbuffer[0] = buf[0];
- }
}
return ret;
@@ -1268,13 +1266,13 @@ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
u8 index, u8 myor)
{
- return(sisusb_setidxregandor(sisusb, port, index, 0xff, myor));
+ return sisusb_setidxregandor(sisusb, port, index, 0xff, myor);
}
int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
u8 idx, u8 myand)
{
- return(sisusb_setidxregandor(sisusb, port, idx, myand, 0x00));
+ return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00);
}
/* Write/read video ram */
@@ -1282,27 +1280,27 @@ int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
#ifdef INCL_SISUSB_CON
int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data)
{
- return(sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data));
+ return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data);
}
int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data)
{
- return(sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data));
+ return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data);
}
int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src,
u32 dest, int length, size_t *bytes_written)
{
- return(sisusb_write_mem_bulk(sisusb, dest, src, length,
- NULL, 0, bytes_written));
+ return sisusb_write_mem_bulk(sisusb, dest, src, length,
+ NULL, 0, bytes_written);
}
#ifdef SISUSBENDIANTEST
int sisusb_read_memory(struct sisusb_usb_data *sisusb, char *dest,
u32 src, int length, size_t *bytes_written)
{
- return(sisusb_read_mem_bulk(sisusb, src, dest, length,
- NULL, bytes_written));
+ return sisusb_read_mem_bulk(sisusb, src, dest, length,
+ NULL, bytes_written);
}
#endif
#endif
@@ -1818,18 +1816,18 @@ static int sisusb_set_default_mode(struct sisusb_usb_data *sisusb,
SETIREGAND(SISSR, 0x37, 0xfe);
SETREG(SISMISCW, 0xef); /* sync */
SETIREG(SISCR, 0x11, 0x00); /* crtc */
- for (j = 0x00, i = 0; i <= 7; i++, j++) {
+ for (j = 0x00, i = 0; i <= 7; i++, j++)
SETIREG(SISCR, j, crtcdata[i]);
- }
- for (j = 0x10; i <= 10; i++, j++) {
+
+ for (j = 0x10; i <= 10; i++, j++)
SETIREG(SISCR, j, crtcdata[i]);
- }
- for (j = 0x15; i <= 12; i++, j++) {
+
+ for (j = 0x15; i <= 12; i++, j++)
SETIREG(SISCR, j, crtcdata[i]);
- }
- for (j = 0x0A; i <= 15; i++, j++) {
+
+ for (j = 0x0A; i <= 15; i++, j++)
SETIREG(SISSR, j, crtcdata[i]);
- }
+
SETIREG(SISSR, 0x0E, (crtcdata[16] & 0xE0));
SETIREGANDOR(SISCR, 0x09, 0x5f, ((crtcdata[16] & 0x01) << 5));
SETIREG(SISCR, 0x14, 0x4f);
@@ -1943,21 +1941,20 @@ static int sisusb_init_gfxcore(struct sisusb_usb_data *sisusb)
ret |= SETREG(SISMISCW, 0x67);
- for (i = 0x06; i <= 0x1f; i++) {
+ for (i = 0x06; i <= 0x1f; i++)
ret |= SETIREG(SISSR, i, 0x00);
- }
- for (i = 0x21; i <= 0x27; i++) {
+
+ for (i = 0x21; i <= 0x27; i++)
ret |= SETIREG(SISSR, i, 0x00);
- }
- for (i = 0x31; i <= 0x3d; i++) {
+
+ for (i = 0x31; i <= 0x3d; i++)
ret |= SETIREG(SISSR, i, 0x00);
- }
- for (i = 0x12; i <= 0x1b; i++) {
+
+ for (i = 0x12; i <= 0x1b; i++)
ret |= SETIREG(SISSR, i, 0x00);
- }
- for (i = 0x79; i <= 0x7c; i++) {
+
+ for (i = 0x79; i <= 0x7c; i++)
ret |= SETIREG(SISCR, i, 0x00);
- }
if (ret)
continue;
@@ -2108,11 +2105,11 @@ static void sisusb_get_ramconfig(struct sisusb_usb_data *sisusb)
switch ((tmp8 >> 2) & 0x03) {
case 0:
ramtypetext1 = "1 ch/1 r";
- if (tmp82 & 0x10) {
+ if (tmp82 & 0x10)
bw = 32;
- } else {
+ else
bw = busSDR[(tmp8 & 0x03)];
- }
+
break;
case 1:
ramtypetext1 = "1 ch/2 r";
@@ -2271,10 +2268,10 @@ static int sisusb_init_gfxdevice(struct sisusb_usb_data *sisusb, int initscreen)
#ifdef INCL_SISUSB_CON
/* Set up default text mode:
- - Set text mode (0x03)
- - Upload default font
- - Upload user font (if available)
-*/
+ * - Set text mode (0x03)
+ * - Upload default font
+ * - Upload user font (if available)
+ */
int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init)
{
@@ -2405,14 +2402,12 @@ static int sisusb_open(struct inode *inode, struct file *file)
int subminor = iminor(inode);
interface = usb_find_interface(&sisusb_driver, subminor);
- if (!interface) {
+ if (!interface)
return -ENODEV;
- }
sisusb = usb_get_intfdata(interface);
- if (!sisusb) {
+ if (!sisusb)
return -ENODEV;
- }
mutex_lock(&sisusb->lock);
@@ -3088,9 +3083,8 @@ static int sisusb_probe(struct usb_interface *intf,
goto error_3;
}
break;
- } else
- sisusb->numobufs++;
-
+ }
+ sisusb->numobufs++;
}
/* Allocate URBs */
--
2.5.0
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